edited by Allen F. Davis and Harold D. Woodman
D.C. Health, 1984
Buku Teks
edited by Allen F. Davis and Harold D. Woodman
D.C. Heath, 1984
Buku Teks
Sutton, Matthew Avery, 1975-
Belknap Press of Harvard University Press, 2014
Buku Teks
edited by Jason L. Finkle and C. Alison McIntosh
Population Council, 1994
Buku Teks
Holsti, Ole R.
Boston Allen & Unwin 1984
Buku Teks